067fc88488
Added a node_added signal to the SceneTree
466 lines
17 KiB
C++
466 lines
17 KiB
C++
/*************************************************************************/
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/* scene_tree.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef SCENE_MAIN_LOOP_H
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#define SCENE_MAIN_LOOP_H
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#include "io/networked_multiplayer_peer.h"
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#include "os/main_loop.h"
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#include "os/thread_safe.h"
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#include "scene/resources/mesh.h"
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#include "scene/resources/world.h"
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#include "scene/resources/world_2d.h"
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#include "self_list.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class SceneTree;
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class PackedScene;
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class Node;
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class Viewport;
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class Material;
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class Mesh;
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class SceneTreeTimer : public Reference {
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GDCLASS(SceneTreeTimer, Reference);
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float time_left;
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bool process_pause;
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protected:
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static void _bind_methods();
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public:
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void set_time_left(float p_time);
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float get_time_left() const;
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void set_pause_mode_process(bool p_pause_mode_process);
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bool is_pause_mode_process();
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SceneTreeTimer();
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};
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class SceneTree : public MainLoop {
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_THREAD_SAFE_CLASS_
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GDCLASS(SceneTree, MainLoop);
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public:
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typedef void (*IdleCallback)();
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enum StretchMode {
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STRETCH_MODE_DISABLED,
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STRETCH_MODE_2D,
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STRETCH_MODE_VIEWPORT,
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};
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enum StretchAspect {
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STRETCH_ASPECT_IGNORE,
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STRETCH_ASPECT_KEEP,
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STRETCH_ASPECT_KEEP_WIDTH,
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STRETCH_ASPECT_KEEP_HEIGHT,
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STRETCH_ASPECT_EXPAND,
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};
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private:
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struct Group {
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Vector<Node *> nodes;
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//uint64_t last_tree_version;
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bool changed;
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Group() { changed = false; };
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};
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Viewport *root;
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uint64_t tree_version;
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float physics_process_time;
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float idle_process_time;
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bool accept_quit;
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bool quit_on_go_back;
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uint32_t last_id;
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#ifdef DEBUG_ENABLED
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bool debug_collisions_hint;
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bool debug_navigation_hint;
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#endif
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bool pause;
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int root_lock;
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Map<StringName, Group> group_map;
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bool _quit;
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bool initialized;
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bool input_handled;
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Size2 last_screen_size;
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StringName tree_changed_name;
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StringName node_added_name;
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StringName node_removed_name;
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int64_t current_frame;
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int node_count;
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#ifdef TOOLS_ENABLED
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Node *edited_scene_root;
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#endif
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struct UGCall {
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StringName group;
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StringName call;
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bool operator<(const UGCall &p_with) const { return group == p_with.group ? call < p_with.call : group < p_with.group; }
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};
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//safety for when a node is deleted while a group is being called
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int call_lock;
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Set<Node *> call_skip; //skip erased nodes
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StretchMode stretch_mode;
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StretchAspect stretch_aspect;
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Size2i stretch_min;
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real_t stretch_shrink;
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void _update_root_rect();
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List<ObjectID> delete_queue;
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Map<UGCall, Vector<Variant> > unique_group_calls;
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bool ugc_locked;
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void _flush_ugc();
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void _flush_transform_notifications();
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_FORCE_INLINE_ void _update_group_order(Group &g);
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void _update_listener();
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Array _get_nodes_in_group(const StringName &p_group);
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Node *current_scene;
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Color debug_collisions_color;
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Color debug_collision_contact_color;
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Color debug_navigation_color;
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Color debug_navigation_disabled_color;
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Ref<ArrayMesh> debug_contact_mesh;
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Ref<Material> navigation_material;
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Ref<Material> navigation_disabled_material;
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Ref<Material> collision_material;
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int collision_debug_contacts;
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void _change_scene(Node *p_to);
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//void _call_group(uint32_t p_call_flags,const StringName& p_group,const StringName& p_function,const Variant& p_arg1,const Variant& p_arg2);
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List<Ref<SceneTreeTimer> > timers;
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///network///
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enum NetworkCommands {
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NETWORK_COMMAND_REMOTE_CALL,
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NETWORK_COMMAND_REMOTE_SET,
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NETWORK_COMMAND_SIMPLIFY_PATH,
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NETWORK_COMMAND_CONFIRM_PATH,
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};
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Ref<NetworkedMultiplayerPeer> network_peer;
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Set<int> connected_peers;
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void _network_peer_connected(int p_id);
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void _network_peer_disconnected(int p_id);
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void _connected_to_server();
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void _connection_failed();
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void _server_disconnected();
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int rpc_sender_id;
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//path sent caches
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struct PathSentCache {
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Map<int, bool> confirmed_peers;
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int id;
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};
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HashMap<NodePath, PathSentCache> path_send_cache;
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int last_send_cache_id;
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//path get caches
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struct PathGetCache {
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struct NodeInfo {
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NodePath path;
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ObjectID instance;
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};
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Map<int, NodeInfo> nodes;
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};
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Map<int, PathGetCache> path_get_cache;
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Vector<uint8_t> packet_cache;
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void _network_process_packet(int p_from, const uint8_t *p_packet, int p_packet_len);
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void _network_poll();
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static SceneTree *singleton;
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friend class Node;
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void _rpc(Node *p_from, int p_to, bool p_unreliable, bool p_set, const StringName &p_name, const Variant **p_arg, int p_argcount);
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void tree_changed();
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void node_added(Node *p_node);
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void node_removed(Node *p_node);
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Group *add_to_group(const StringName &p_group, Node *p_node);
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void remove_from_group(const StringName &p_group, Node *p_node);
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void _notify_group_pause(const StringName &p_group, int p_notification);
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void _call_input_pause(const StringName &p_group, const StringName &p_method, const Ref<InputEvent> &p_input);
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Variant _call_group_flags(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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Variant _call_group(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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static void _debugger_request_tree(void *self);
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void _flush_delete_queue();
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//optimization
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friend class CanvasItem;
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friend class Spatial;
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friend class Viewport;
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SelfList<Node>::List xform_change_list;
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#ifdef DEBUG_ENABLED
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Map<int, NodePath> live_edit_node_path_cache;
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Map<int, String> live_edit_resource_cache;
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NodePath live_edit_root;
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String live_edit_scene;
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Map<String, Set<Node *> > live_scene_edit_cache;
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Map<Node *, Map<ObjectID, Node *> > live_edit_remove_list;
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ScriptDebugger::LiveEditFuncs live_edit_funcs;
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void _live_edit_node_path_func(const NodePath &p_path, int p_id);
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void _live_edit_res_path_func(const String &p_path, int p_id);
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void _live_edit_node_set_func(int p_id, const StringName &p_prop, const Variant &p_value);
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void _live_edit_node_set_res_func(int p_id, const StringName &p_prop, const String &p_value);
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void _live_edit_node_call_func(int p_id, const StringName &p_method, VARIANT_ARG_DECLARE);
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void _live_edit_res_set_func(int p_id, const StringName &p_prop, const Variant &p_value);
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void _live_edit_res_set_res_func(int p_id, const StringName &p_prop, const String &p_value);
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void _live_edit_res_call_func(int p_id, const StringName &p_method, VARIANT_ARG_DECLARE);
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void _live_edit_root_func(const NodePath &p_scene_path, const String &p_scene_from);
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void _live_edit_create_node_func(const NodePath &p_parent, const String &p_type, const String &p_name);
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void _live_edit_instance_node_func(const NodePath &p_parent, const String &p_path, const String &p_name);
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void _live_edit_remove_node_func(const NodePath &p_at);
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void _live_edit_remove_and_keep_node_func(const NodePath &p_at, ObjectID p_keep_id);
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void _live_edit_restore_node_func(ObjectID p_id, const NodePath &p_at, int p_at_pos);
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void _live_edit_duplicate_node_func(const NodePath &p_at, const String &p_new_name);
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void _live_edit_reparent_node_func(const NodePath &p_at, const NodePath &p_new_place, const String &p_new_name, int p_at_pos);
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static void _live_edit_node_path_funcs(void *self, const NodePath &p_path, int p_id) { reinterpret_cast<SceneTree *>(self)->_live_edit_node_path_func(p_path, p_id); }
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static void _live_edit_res_path_funcs(void *self, const String &p_path, int p_id) { reinterpret_cast<SceneTree *>(self)->_live_edit_res_path_func(p_path, p_id); }
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static void _live_edit_node_set_funcs(void *self, int p_id, const StringName &p_prop, const Variant &p_value) { reinterpret_cast<SceneTree *>(self)->_live_edit_node_set_func(p_id, p_prop, p_value); }
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static void _live_edit_node_set_res_funcs(void *self, int p_id, const StringName &p_prop, const String &p_value) { reinterpret_cast<SceneTree *>(self)->_live_edit_node_set_res_func(p_id, p_prop, p_value); }
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static void _live_edit_node_call_funcs(void *self, int p_id, const StringName &p_method, VARIANT_ARG_DECLARE) { reinterpret_cast<SceneTree *>(self)->_live_edit_node_call_func(p_id, p_method, VARIANT_ARG_PASS); }
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static void _live_edit_res_set_funcs(void *self, int p_id, const StringName &p_prop, const Variant &p_value) { reinterpret_cast<SceneTree *>(self)->_live_edit_res_set_func(p_id, p_prop, p_value); }
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static void _live_edit_res_set_res_funcs(void *self, int p_id, const StringName &p_prop, const String &p_value) { reinterpret_cast<SceneTree *>(self)->_live_edit_res_set_res_func(p_id, p_prop, p_value); }
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static void _live_edit_res_call_funcs(void *self, int p_id, const StringName &p_method, VARIANT_ARG_DECLARE) { reinterpret_cast<SceneTree *>(self)->_live_edit_res_call_func(p_id, p_method, VARIANT_ARG_PASS); }
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static void _live_edit_root_funcs(void *self, const NodePath &p_scene_path, const String &p_scene_from) { reinterpret_cast<SceneTree *>(self)->_live_edit_root_func(p_scene_path, p_scene_from); }
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static void _live_edit_create_node_funcs(void *self, const NodePath &p_parent, const String &p_type, const String &p_name) { reinterpret_cast<SceneTree *>(self)->_live_edit_create_node_func(p_parent, p_type, p_name); }
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static void _live_edit_instance_node_funcs(void *self, const NodePath &p_parent, const String &p_path, const String &p_name) { reinterpret_cast<SceneTree *>(self)->_live_edit_instance_node_func(p_parent, p_path, p_name); }
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static void _live_edit_remove_node_funcs(void *self, const NodePath &p_at) { reinterpret_cast<SceneTree *>(self)->_live_edit_remove_node_func(p_at); }
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static void _live_edit_remove_and_keep_node_funcs(void *self, const NodePath &p_at, ObjectID p_keep_id) { reinterpret_cast<SceneTree *>(self)->_live_edit_remove_and_keep_node_func(p_at, p_keep_id); }
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static void _live_edit_restore_node_funcs(void *self, ObjectID p_id, const NodePath &p_at, int p_at_pos) { reinterpret_cast<SceneTree *>(self)->_live_edit_restore_node_func(p_id, p_at, p_at_pos); }
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static void _live_edit_duplicate_node_funcs(void *self, const NodePath &p_at, const String &p_new_name) { reinterpret_cast<SceneTree *>(self)->_live_edit_duplicate_node_func(p_at, p_new_name); }
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static void _live_edit_reparent_node_funcs(void *self, const NodePath &p_at, const NodePath &p_new_place, const String &p_new_name, int p_at_pos) { reinterpret_cast<SceneTree *>(self)->_live_edit_reparent_node_func(p_at, p_new_place, p_new_name, p_at_pos); }
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#endif
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enum {
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MAX_IDLE_CALLBACKS = 256
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};
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static IdleCallback idle_callbacks[MAX_IDLE_CALLBACKS];
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static int idle_callback_count;
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void _call_idle_callbacks();
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protected:
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void _notification(int p_notification);
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static void _bind_methods();
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public:
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enum {
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NOTIFICATION_TRANSFORM_CHANGED = 29
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};
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enum CallGroupFlags {
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GROUP_CALL_DEFAULT = 0,
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GROUP_CALL_REVERSE = 1,
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GROUP_CALL_REALTIME = 2,
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GROUP_CALL_UNIQUE = 4,
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GROUP_CALL_MULTILEVEL = 8,
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};
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_FORCE_INLINE_ Viewport *get_root() const { return root; }
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uint32_t get_last_event_id() const;
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void call_group_flags(uint32_t p_call_flags, const StringName &p_group, const StringName &p_function, VARIANT_ARG_LIST);
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void notify_group_flags(uint32_t p_call_flags, const StringName &p_group, int p_notification);
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void set_group_flags(uint32_t p_call_flags, const StringName &p_group, const String &p_name, const Variant &p_value);
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void call_group(const StringName &p_group, const StringName &p_function, VARIANT_ARG_LIST);
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void notify_group(const StringName &p_group, int p_notification);
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void set_group(const StringName &p_group, const String &p_name, const Variant &p_value);
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virtual void input_text(const String &p_text);
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virtual void input_event(const Ref<InputEvent> &p_event);
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virtual void init();
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virtual bool iteration(float p_time);
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virtual bool idle(float p_time);
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virtual void finish();
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void set_auto_accept_quit(bool p_enable);
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void set_quit_on_go_back(bool p_enable);
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void quit();
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void set_input_as_handled();
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bool is_input_handled();
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_FORCE_INLINE_ float get_physics_process_time() const { return physics_process_time; }
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_FORCE_INLINE_ float get_idle_process_time() const { return idle_process_time; }
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#ifdef TOOLS_ENABLED
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bool is_node_being_edited(const Node *p_node) const;
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#else
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bool is_node_being_edited(const Node *p_node) const { return false; }
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#endif
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void set_pause(bool p_enabled);
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bool is_paused() const;
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void set_camera(const RID &p_camera);
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RID get_camera() const;
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#ifdef DEBUG_ENABLED
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void set_debug_collisions_hint(bool p_enabled);
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bool is_debugging_collisions_hint() const;
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void set_debug_navigation_hint(bool p_enabled);
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bool is_debugging_navigation_hint() const;
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#else
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void set_debug_collisions_hint(bool p_enabled) {}
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bool is_debugging_collisions_hint() const { return false; }
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void set_debug_navigation_hint(bool p_enabled) {}
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bool is_debugging_navigation_hint() const { return false; }
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#endif
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void set_debug_collisions_color(const Color &p_color);
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Color get_debug_collisions_color() const;
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void set_debug_collision_contact_color(const Color &p_color);
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Color get_debug_collision_contact_color() const;
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void set_debug_navigation_color(const Color &p_color);
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Color get_debug_navigation_color() const;
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void set_debug_navigation_disabled_color(const Color &p_color);
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Color get_debug_navigation_disabled_color() const;
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Ref<Material> get_debug_navigation_material();
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Ref<Material> get_debug_navigation_disabled_material();
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Ref<Material> get_debug_collision_material();
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Ref<ArrayMesh> get_debug_contact_mesh();
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int get_collision_debug_contact_count() { return collision_debug_contacts; }
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int64_t get_frame() const;
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int get_node_count() const;
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void queue_delete(Object *p_object);
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void get_nodes_in_group(const StringName &p_group, List<Node *> *p_list);
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bool has_group(const StringName &p_identifier) const;
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void set_screen_stretch(StretchMode p_mode, StretchAspect p_aspect, const Size2 p_minsize, real_t p_shrink = 1);
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//void change_scene(const String& p_path);
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//Node *get_loaded_scene();
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#ifdef TOOLS_ENABLED
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void set_edited_scene_root(Node *p_node);
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Node *get_edited_scene_root() const;
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#endif
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void set_current_scene(Node *p_scene);
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Node *get_current_scene() const;
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Error change_scene(const String &p_path);
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Error change_scene_to(const Ref<PackedScene> &p_scene);
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Error reload_current_scene();
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Ref<SceneTreeTimer> create_timer(float p_delay_sec, bool p_process_pause = true);
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//used by Main::start, don't use otherwise
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void add_current_scene(Node *p_current);
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static SceneTree *get_singleton() { return singleton; }
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void drop_files(const Vector<String> &p_files, int p_from_screen = 0);
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//network API
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void set_network_peer(const Ref<NetworkedMultiplayerPeer> &p_network_peer);
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bool is_network_server() const;
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bool has_network_peer() const;
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int get_network_unique_id() const;
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Vector<int> get_network_connected_peers() const;
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int get_rpc_sender_id() const;
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void set_refuse_new_network_connections(bool p_refuse);
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bool is_refusing_new_network_connections() const;
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static void add_idle_callback(IdleCallback p_callback);
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SceneTree();
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~SceneTree();
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};
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VARIANT_ENUM_CAST(SceneTree::StretchMode);
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VARIANT_ENUM_CAST(SceneTree::StretchAspect);
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VARIANT_ENUM_CAST(SceneTree::CallGroupFlags);
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#endif
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